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MALPEDIA_Win_Hunter_Auto

autogenerated rule brought to you by yara-signator

MalwareHunterMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Hunter.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-hunter-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hunter_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "dab65f12-fbda-54d9-b5d7-92d22a1c6af2"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hunter"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hunter_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "429cf73f5b5e3785a6d3b817e47c0ff838d12f10b8daefb3185e67bb1d873a59"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { e8???????? 59 83e80d 8d8d38feffff 50 53 8d858cfdffff }
		$sequence_1 = { e8???????? 8b4d08 33d2 8945fc 8bdf 8b09 8b4108 }
		$sequence_2 = { f6461801 66894602 750a 8d5614 52 e8???????? 59 }
		$sequence_3 = { 8b55f0 8b4008 ff3410 ff37 ff31 8bce 6a1d }
		$sequence_4 = { e8???????? 59 68???????? 8bd0 c645fc2c 8d8d04ffffff e8???????? }
		$sequence_5 = { 8bc8 c645fc03 e8???????? 50 8d8d7cffffff e8???????? 57 }
		$sequence_6 = { 8b45e0 85ff 75b7 66895612 3b55ec 0f8dbafeffff c60601 }
		$sequence_7 = { 8db7c8000000 8d9795000000 0f4cc2 8d5701 03c8 8d473b 03c2 }
		$sequence_8 = { 8bd3 5f 52 8d4dec e8???????? 898495e8feffff 42 }
		$sequence_9 = { c6040622 46 eb0f 880c06 46 803f22 7505 }

	condition:
		7 of them and filesize < 1056768
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? 59 83e80d 8d8d38feffff 50 53 8d858cfdffff }
$sequence_1hex{ e8???????? 8b4d08 33d2 8945fc 8bdf 8b09 8b4108 }
$sequence_2hex{ f6461801 66894602 750a 8d5614 52 e8???????? 59 }
$sequence_3hex{ 8b55f0 8b4008 ff3410 ff37 ff31 8bce 6a1d }
$sequence_4hex{ e8???????? 59 68???????? 8bd0 c645fc2c 8d8d04ffffff e8???????? }
$sequence_5hex{ 8bc8 c645fc03 e8???????? 50 8d8d7cffffff e8???????? 57 }
$sequence_6hex{ 8b45e0 85ff 75b7 66895612 3b55ec 0f8dbafeffff c60601 }
$sequence_7hex{ 8db7c8000000 8d9795000000 0f4cc2 8d5701 03c8 8d473b 03c2 }
$sequence_8hex{ 8bd3 5f 52 8d4dec e8???????? 898495e8feffff 42 }
$sequence_9hex{ c6040622 46 eb0f 880c06 46 803f22 7505 }

Condition

7 of them and filesize < 1056768

In plain words (Heuristic)

  • The file must be smaller than 1056768 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: dab65f12-fbda-54d9-b5d7-92d22a1c6af2

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE